-----BEGIN PGP SIGNED MESSAGE-----
===============================================================================
Security Advisory CERT-NL
===============================================================================
Author/Source : Nico de Koo Index : S-99-29
Distribution : World Page : 1
Classification: External Version: 1
Subject : SUN: rpc.cmsd Date : 26-Aug-99
===============================================================================
By courtesy of Sun Microsystems, Inc. we received
information on a vulnerability in rpc.cmsd
CERT-NL recommends installation of the patches provided.
==============================================================================
________________________________________________________________________________
Sun Microsystems, Inc. Security Bulletin
Bulletin Number: #00188
Date: August 25, 1999
Cross-Ref: CERT CA-99-08
Title: rpc.cmsd
_______________________________________________________________________________
The information contained in this Security Bulletin is provided "AS IS."
Sun makes no warranties of any kind whatsoever with respect to the
information
contained in this Security Bulletin. ALL EXPRESS OR IMPLIED CONDITIONS,
REPRESENTATIONS AND WARRANTIES, INCLUDING ANY WARRANTY OF NON-INFRINGEMENT
OR
IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE
HEREBY DISCLAIMED AND EXCLUDED TO THE EXTENT ALLOWED BY APPLICABLE LAW.
IN NO EVENT WILL SUN MICROSYSTEMS, INC. BE LIABLE FOR ANY LOST REVENUE,
PROFIT OR DATA, OR FOR DIRECT, SPECIAL, INDIRECT, CONSEQUENTIAL, INCIDENTAL
OR PUNITIVE DAMAGES HOWEVER CAUSED AND REGARDLESS OF ANY THEORY OF LIABILITY
ARISING OUT OF THE USE OF OR INABILITY TO USE THE INFORMATION CONTAINED IN
THIS SECURITY BULLETIN, EVEN IF SUN MICROSYSTEMS, INC. HAS BEEN ADVISED OF
THE POSSIBILITY OF SUCH DAMAGES.
If any of the above provisions are held to be in violation of applicable
law,
void, or unenforceable in any jurisdiction, then such provisions are waived
to the extent necessary for this disclaimer to be otherwise enforceable in
such jurisdiction.
________________________________________________________________________________
1. Bulletin Topics
Sun announces the release of patches for Solaris(tm) 7, 2.6, 2.5.1,
2.5, 2.4, 2.3 (SunOS(tm) 5.7, 5.6, 5.5.1, 5.5, 5.4, 5.3), SunOS 4.1.4,
and 4.1.3_U1, which relate to a vulnerability involving rpc.cmsd.
Sun recommends that you:
Install the OpenWindows patches listed in section 4 immediately on
systems running SunOS 5.5.1, 5.5, 5.4, 5.3, 4.1.4, and 4.1.3_U1.
Install the Common Desktop Environment (CDE) patches listed in
section 4 immediately on systems running SunOS 5.7 and 5.6.
Install the CDE patches listed in section 4 immediately on systems
running SunOS 5.5.1, 5.5, and 5.4 with CDE 1.0.2 or 1.0.1 installed.
2. Who is Affected
Vulnerable: SunOS 5.7, 5.7_x86, 5.6, 5.6_x86, 5.5.1, 5.5.1_x86,
5.5, 5.5_x86, 5.4, 5.4_x86, 5.3,
4.1.4, and 4.1.3_U1.
Not vulnerable: All other supported versions of SunOS.
3. Understanding the Vulnerability
The rpc.cmsd is a small database manager for appointment and
resource-scheduling data. Its primary client is Calendar Manager
in OpenWindows, and Calendar in CDE. A buffer overflow vulnerability
has been discovered which may be exploited to execute arbitrary
instructions and gain root access.
4. List of Patches
The following patches are available in relation to the above problem.
OpenWindows:
SunOS version Patch ID
_____________ _________
SunOS 5.5.1 104976-04
SunOS 5.5.1_x86 105124-03
SunOS 5.5 103251-09
SunOS 5.5_x86 103273-07
SunOS 5.4 102030-10
SunOS 5.4_x86 102031-08
SunOS 5.3 101513-14
SunOS 4.1.4 100523-25
SunOS 4.1.3_U1 100523-25
CDE:
SunOS versions CDE version Patch ID
______________ ___________ ________
5.7 1.3 107022-04
5.7_x86 1.3_x86 107023-04
5.6 1.2 105566-07
5.6_x86 1.2_x86 105567-08
5.5.1, 5.5, 5.4 1.0.2 103670-07
5.5.1_x86, 5.5_x86, 5.4_x86 1.0.2_x86 103717-08
5.5, 5.4 1.0.1 103671-07
5.5_x86, 5.4_x86 1.0.1_x86 103718-08
_______________________________________________________________________________
APPENDICES
A. Patches listed in this bulletin are available to all Sun customers at:
http://sunsolve.sun.com/pub-cgi/show.pl?target=patches/patch-license&nav=pub-patches
B. Checksums for the patches listed in this bulletin are available at:
ftp://sunsolve.sun.com/pub/patches/CHECKSUMS
C. Sun security bulletins are available at:
http://sunsolve.sun.com/pub-cgi/secBulletin.pl
D. Sun Security Coordination Team's PGP key is available at:
http://sunsolve.sun.com/pgpkey.txt
E. To report or inquire about a security problem with Sun software, contact
one or more of the following:
- Your local Sun Solution Center
- Your representative computer security response team, such as CERT
- Sun Security Coordination Team. Send email to:
security-alert@sun.com
F. To receive information or subscribe to our CWS (Customer Warning System)
mailing list, send email to:
security-alert@sun.com
with a subject line (not body) containing one of the following commands:
Command Information Returned/Action Taken
_______ _________________________________
help An explanation of how to get information
key Sun Security Coordination Team's PGP key
list A list of current security topics
query [topic] The email is treated as an inquiry and is forwarded
to the Security Coordination Team
report [topic] The email is treated as a security report and is
forwarded to the Security Coordination Team. Please
encrypt sensitive mail using Sun Security
Coordination Team's PGP key
send topic A short status summary or bulletin. For example, to
retrieve a Security Bulletin #00138, supply the
following in the subject line (not body):
send #138
subscribe Sender is added to our mailing list. To subscribe,
supply the following in the subject line (not body):
subscribe cws your-email-address
Note that your-email-address should be substituted
by your email address.
unsubscribe Sender is removed from the CWS mailing list.
________________________________________________________________________________
Copyright 1999 Sun Microsystems, Inc. All rights reserved. Sun,
Sun Microsystems, Solaris and SunOS are trademarks or registered trademarks
of Sun Microsystems, Inc. in the United States and other countries. This
Security Bulletin may be reproduced and distributed, provided that this
Security Bulletin is not modified in any way and is attributed to
Sun Microsystems, Inc. and provided that such reproduction and distribution
is performed for non-commercial purposes.
- --------------------------------------------------------------------------------
CERT-NL thanks Sun Microsystems, Inc for providing this information
==============================================================================
CERT-NL is the Computer Emergency Response Team for SURFnet customers. SURFnet
is the Dutch network for educational, research and related institutes. CERT-NL
is a member of the Forum of Incident Response and Security Teams (FIRST).
All CERT-NL material is available under:
http://www.surfnet.nl/surfnet/security/cert-nl.html
ftp://ftp.surfnet.nl/surfnet/net-security
In case of computer or network security problems please contact your
local CERT/security-team or CERT-NL (if your institute is NOT a SURFnet
customer please address the appropriate (local) CERT/security-team).
CERT-NL is one/two hour(s) ahead of UTC (GMT) in winter/summer,
i.e. UTC+0100 in winter and UTC+0200 in summer (DST).
Email: cert-nl@surfnet.nl ATTENDED REGULARLY ALL DAYS
Phone: +31 302 305 305 BUSINESS HOURS ONLY
Fax: +31 302 305 329 BUSINESS HOURS ONLY
Snailmail: SURFnet bv
Attn. CERT-NL
P.O. Box 19035
NL - 3501 DA UTRECHT
The Netherlands
NOODGEVALLEN: 06 52 87 92 82 ALTIJD BEREIKBAAR
EMERGENCIES : +31 6 52 87 92 82 ATTENDED AT ALL TIMES
CERT-NL'S EMERGENCY PHONENUMBER IS ONLY TO BE USED IN CASE OF EMERGENCIES:
THE SURFNET HELPDESK OPERATING THE EMERGENCY NUMBER HAS A *FIXED*
PROCEDURE FOR DEALING WITH YOUR ALERT AND WILL IN REGULAR CASES RELAY IT
TO CERT-NL IN AN APPROPRIATE MANNER. CERT-NL WILL THEN CONTACT YOU.
==============================================================================
-----BEGIN PGP SIGNATURE-----
Version: PGPfreeware 6.0.2i
iQCVAwUBN8UVAfE6s6q7Tf4RAQGKcgP/aGPAr2hn8vA0wiqo+iANZDEbaPkXQQbJ
JRj/Xf7NlJS9EmTsJj+4dyXkaqwHpeUdxeCN7+4zOTg3hbs7AnByDAp2/8yyR16y
ABxbXIBVELMaMP0apf/tiDcTukH3XobW85P9yHlA2OwVQk4/+E0vELARIYTvOdj5
oB3YZAYBcPY=
=Cid2
-----END PGP SIGNATURE-----